The ‘Three-Line’ Theorem for the Vinogradov C-Spectral Sequence of the Yang–Mills Equations Dmitri Gessler OriginalPaper Pages: 139 - 153
Contact Transformations and Local Reducibility of ODE to the Form y‴=0 V. N. GusyatnikovaV. A. Yumaguzhin OriginalPaper Pages: 155 - 179
Double Complexes and Cohomological Hierarchy in a Space of Weakly Invariant Lagrangians of Mechanics O. M. KhudaverdianD. A. Sahakyan OriginalPaper Pages: 181 - 215
Coverings and Integrability of the Gauss–Mainardi–Codazzi Equations Joseph Krasil'shchikMichal Marvan OriginalPaper Pages: 217 - 230
Symmetries of Linear and Linearizable Systems of Differential Equations A. V. Samokhin OriginalPaper Pages: 253 - 300
Graded Differential Equations and Dirac Type Operators Lev V. Zilbergleit OriginalPaper Pages: 301 - 320
